A concrete cylinder (6 x 12 in.), cured according to ASTM C 511 (100% RH and 23 °C) and tested at an age of 28 days in compression according to ASTM C 39 with a load rate of 30 psi/sec, fails at a load of 98,342 lb. The unit weight of the concrete is 145 lb/ft3. What is the compressiv
A concrete cylinder (6 x 12 in.), cured according to ASTM C 511 (100% RH and 23 °C) and tested at an age of 28 days in compression according to ASTM C 39 with a load rate of 30 psi/sec, fails at a load of 98,342 lb. The unit weight of the concrete is 145 lb/ft3. What is the compressiv
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A concrete cylinder (6 x 12 in.), cured according to ASTM C 511 (100% RH and 23 °C) and tested at an age of 28 days in compression according to ASTM C 39 with a load rate of 30 psi/sec, fails at a load of 98,342 lb. The unit weight of the concrete is 145 lb/ft3.
What is the compressive strength of the concrete cylinder in lb/in2? Round to the nearest whole number and do not include units when entering your answer.
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